Genome-Wide Identification and Analysis of the Heat-Shock Protein Gene in L. edodes and Expression Pattern Analysis under Heat Shock
文献类型： 外文期刊
第一作者： Zhao, Xu
作者： Zhao, Xu;Yin, Kaiyong;Feng, Rencai;Miao, Renyun;Lin, Junbin;Zhang, Qin;Zhao, Xu;Feng, Rencai;Miao, Renyun;Lin, Junbin;Zhang, Qin;Zhao, Xu;Cao, Luping;Ni, Yanqing;Li, Wensheng
作者机构：
关键词： L; edodes; heat shock protein; heat stress; genome analysis; RT-qPCR
期刊名称：CURRENT ISSUES IN MOLECULAR BIOLOGY （ 影响因子：3.1； 五年影响因子：3.3 ）
ISSN： 1467-3037
年卷期： 2023 年 45 卷 1 期
页码：
收录情况： SCI
摘要： Lentinula edodes (L. edodes), one of the most popular edible mushrooms in China, is adversely affected by high temperature. Heat shock proteins (HSPs) play a crucial role in regulating the defense responses against the abiotic stresses in L. edodes. Some HSPs in L. edodes have been described previously, but a genome-wide analysis of these proteins is still lacking. Here, the HSP genes across the entire genome of the L. edodes mushroom were identified. The 34 LeHSP genes were subsequently classified into six subfamilies according to their molecular weights and the phylogenetic analysis. Sequence analysis showed that LeHSP proteins from the same subfamily have conserved domains and one to five similar motifs. Except for Chr 5 and 9, 34 LeHSPs genes were distributed on the other eight chromosomes. Three pairs of paralogs were identified because of sequence alignment and were confirmed as arising from segmental duplication. In LeHSPs' promoters, different numbers of heat shock elements (HSEs) were predicted. The expression profiles of LeHSPs in 18N44 and 18 suggested that the thermo-tolerance of strain 18N44 might be related to high levels of LeHSPs transcript in response to heat stress. The quantitative real-time PCR (qRT-PCR) analysis of the 16 LeHSP genes in strains Le015 and Le027 verified their stress-inducible expression patterns under heat stress. Therefore, these comprehensive findings provide useful in-depth information on the evolution and function of LeHSPs and lay a theoretical foundation in breeding thermotolerant L. edodes varieties.
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